Home / 5,360.16-7,386.98-3,865.52

Finding the Fourth Proportional to 5,360.16, 7,386.98 and 3,865.52

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Solution

The fourth proportional to 5,360.16, 7,386.98 and 3,865.52 is: 5,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.16 : 7,386.98 = 3,865.52 : x
  2. Step 2: Convert to fraction form
    5,360.16/7,386.98 = 3,865.52/x
  3. Step 3: Cross multiply
    5,360.16x = 7,386.98 × 3,865.52
  4. Step 4: Simplify right side
    5,360.16x = 28,554,518.93
  5. Step 5: Solve for x
    x = 28,554,518.93/5,360.16
  6. Step 6: Final answer
    x = 5,327.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.